1 files changed, 1 insertions, 1 deletions

diff --git a/src/makecolumns.sh b/src/makecolumns.sh
index cb416df..cd26091 100644
--- a/src/makecolumns.sh
+++ b/src/makecolumns.sh
@@ -35,7 +35,7 @@ numfiles=`find . -name file_\* | wc -l`
 
 for column in `jot - 0 10 1`; do
   for file in `jot - ${column} ${numfiles} 11`; do
-    acton=`printf file_%05x ${file}`
+    acton=`printf file_%05X ${file}`
     if [ ${column} = 0 ]; then
       ${HO} < ${acton} >> column_0;
     else